204 search results - page 20 / 41 » Provably Secure Metering Scheme |
142
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ESORICS
2007
Springer
15 years 10 months ago
2007
Springer
The problem of key management in access hierarchies studies ways to assign keys to users and classes such that each user, after receiving her secret key(s), is able to independentl...
124
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
Abstract— An important issue in mobile commerce (mcommerce) is to exchange digital data between two distributed parties in an efficient and fair manner. In this paper, a lightwe...
120
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ISW
2005
Springer
15 years 9 months ago
2005
Springer
Abstract. We present a universally composable time-stamping scheme based on universal one-way hash functions. The model we use contains an ideal auditing functionality (implementab...
126
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DCC
2006
IEEE
16 years 3 months ago
2006
IEEE
We describe a simple and novel cryptographic construction that we refer to as a fuzzy vault. A player Alice may place a secret value in a fuzzy vault and "lock" it using ...
135
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ASIACRYPT
2003
Springer
15 years 9 months ago
2003
Springer
Constructing practical and provably secure group signature schemes has been a very active research topic in recent years. A group signature can be viewed as a digital signature wit...